Weather in Charleston County, United States in December

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Visiting Charleston County, United States in December

December has average maximum temperatures of 16°C (61°F) which is a little too chilly for sunbathing. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 6.4hrs. December has total rainfall of 7.9cm (3.1inches) making it mostly dry with only intermittent light showers. There are only 10.4 days with some rainfall so you can still enjoy the beach on the majority of days. It is not a good time for sunbathing in Charleston County. Sea temperatures are a warm 23°C (73°F). December is a good month for swimming in Charleston County with comfortable temperatures for most people.

Consider visiting Charleston County in the months of June, July, August, September, for the best beach weather.

Also consider one of our other suggestions for December.

Can you sunbathe in Charleston County in December?

No, December is not a good time for sunbathing in Charleston County.

December has average maximum temperatures of 16°C (61°F) which is a little too chilly for sunbathing. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 6.4hrs. December has total rainfall of 7.9cm (3.1inches) making it mostly dry with only intermittent light showers. There are only 10.4 days with some rainfall so you can still enjoy the beach on the majority of days.

More about December temperature and sunshine.

Can you swim in Charleston County in December?

Yes, December is a good month for swimming in Charleston County with warm sea temperatures 23°C (73°F).

More about December sea temperatures.

Is December a good time to holiday in Charleston County?

Probably not, December is not a good time for a holiday in Charleston County.

December has average maximum temperatures of 16°C (61°F) which is a little too chilly for sunbathing. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 6.4hrs. December has total rainfall of 7.9cm (3.1inches) making it mostly dry with only intermittent light showers. There are only 10.4 days with some rainfall so you can still enjoy the beach on the majority of days. It is not a good time for sunbathing in Charleston County. Sea temperatures are a warm 23°C (73°F). December is a good month for swimming in Charleston County with comfortable temperatures for most people.

More about the December temperatures and sunshine.

Is Charleston County warm in December?

No, Charleston County is a little too chilly for sunbathing in December.

The average maximum temperature in Charleston County in December is 16°C (61°F). The average maximum temperature is 20°C (67°) in the previous month and 15°C (58°F) in the next month.

The average temperature in Charleston County in December is 11°C (52°F). The average temperature is 14°C (57°F) in the previous month and 9°C (49°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is Charleston County in December?

The average day light hours per day in Charleston County in December are 10. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 6.4hrs.

More about December sunshine.

Temperature in Charleston County in December

The average maximum temperature in Charleston County in December is 16°C (61°F). The average maximum temperature is 20°C (67°F) in the previous month and 15°C (58°F) in the next month.

The average temperature in Charleston County in December is 11°C (52°F). The average temperature is 14°C (57°F) in the previous month and 9°C (49°F) in the next month.

The average minimum temperature in Charleston County in December is 7°C (44°F). The minimum temperature is 9°C (48°F) in the previous month and 4°C (40°F) in the next month.

Sunshine in Charleston County in December

During December the average day light hours are 10 per day in Charleston County. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 6.4hrs.

The ultraviolet index in Charleston County in December is typically 3.2 during December. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Charleston County in December

The average sea water temperature in Charleston County in December is 23°C (73.4°F) which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Charleston County in December

The average total rainfall in Charleston County in December is 7.9cm (3.1inches) and on average there are 10.4 rainy days in December making it a pretty wet time to visit the beach.

Humidity in Charleston County in December

The maximum dew point (an indicator of humidity) in Charleston County in December is 11°C (51°F) which is very comfortable. The dew point is 12°C (54°F) in the previous month and 8°C (8°F) in the next month.

The average maximum relative humidity in Charleston County in December is typically 93.1%. The maximum relative humidity is 93.6% in the previous month and 89.6% in the next month.

The average relative humidity in Charleston County in December is typically 76.1%. The average relative humidity is 75% in the previous month and 70.8% in the next month.

Wind Speed in Charleston County in December

The average maximum wind speed in Charleston County in December is typically 22KM/H (14MPH). The average maximum wind speed is 23KM/H (14MPH) in the previous month and 24KM/H (15MPH) in the next month.

The average wind speed in Charleston County in December is typically 10KM/H (6MPH). The average wind speed is 10KM/H (6MPH) in the previous month and 10KM/H (6MPH) in the next month.

The average wind direction in Charleston County in December is from the North West.

Monthly Averages

Suggested Beaches in December

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.